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Scenario #393
Storage
Kubernetes v1.25, VolumeSnapshot API

VolumeSnapshots Failed to Restore with Immutable Fields

Restore operation failed due to immutable PVC spec fields like access mode.

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What Happened

Attempted to restore snapshot into a PVC with modified parameters.

Diagnosis Steps
  • 1Error: cannot change accessMode after creation.
Root Cause

Snapshot restore tried to override immutable PVC fields.

Fix/Workaround
• Created a new PVC with correct parameters and attached manually.
Lessons Learned

PVC fields are not override-safe during snapshot restores.

How to Avoid
  • 1Restore into newly created PVCs.
  • 2Match snapshot PVC spec exactly.
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